Ensure secure abdominal anchoring by means of the cannula retention ridges. Fixation cannula reduces slippage and port migration. Prevent peritoneal tenting due to smooth obtulator / cannula transition. Provide leak free instrument exchange by means of an air tight dual seal system. Provides stainless steel tip or plastic tip for options. Provided gas-port for options. Special smooth cannula tip design to avoide damage organ. Low cost, Safety, Stability and Reliability.